1475221 has 8 divisors (see below), whose sum is σ = 1649088. Its totient is φ = 1308000.

The previous prime is 1475219. The next prime is 1475233. The reversal of 1475221 is 1225741.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1475221 - 2¹ = 1475219 is a prime.

It is a Duffinian number.

1475221 is a lucky number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 1475192 and 1475201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1475251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (206136).

2^1475221 is an apocalyptic number.

1475221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1475221 is a deficient number, since it is larger than the sum of its proper divisors (173867).

1475221 is a wasteful number, since it uses less digits than its factorization.

1475221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323.

The product of its digits is 560, while the sum is 22.

The square root of 1475221 is about 1214.5867610015. The cubic root of 1475221 is about 113.8375906283.

The spelling of 1475221 in words is "one million, four hundred seventy-five thousand, two hundred twenty-one".